19001223

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13799}}^1$

素因数の和:13828

約数の個数: 20

約数和(自身を含む): 30056400

約数和(自身を除く): 11055177

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13799, 41397, 124191, 234583, 372573, 703749, 1117719, 2111247, 6333741, 19001223]

約数ペア:

[(1, 19001223), (3, 6333741), (9, 2111247), (17, 1117719), (27, 703749), (51, 372573), (81, 234583), (153, 124191), (459, 41397), (1377, 13799)]